This is a continuation of a series focused on providing a stable platform for the taxonomy of phytopathogenic fungi and fungus-like organisms. This paper focuses on one family: Erysiphaceae and 24 phytopathogenic genera: Armillaria, Barriopsis , Cercospora , Cladosporium , Clinoconidium , Colletotrichum , Cylindrocladiella , Dothidotthia ,, Fomitopsis , Ganoderma , Golovinomyces , Heterobasidium , Meliola , Mucor , Neoerysiphe , Nothophoma , Phellinus , Phytophthora , Pseudoseptoria , Pythium , Rhizopus , Stemphylium , Thyrostroma and Wojnowiciella. Each genus is provided with a taxonomic background, distribution, hosts, disease symptoms, and updated backbone trees. Species confirmed with pathogenicity studies are denoted when data are available. Six of the genera are updated from previous entries as many new species have been described.